Terms of Subscription, $5 a year.
Sent by mail, postage prepaid, to subscribers in any part of the
United States or Canada. Six dollars a year, sent, prepaid, to any
foreign country.
All the back numbers of The Supplement, from the commencement, January
1, 1876, can be had. Price, 10 cents each.
All the back volumes of The Supplement can likewise be supplied. Two
volumes are issued yearly.
Price of each volume, $2.50 stitched in paper, or $3.50 bound in stiff
covers.
COMBINED RATES.--One copy of SCIENTIFIC AMERICAN and one copy of
SCIENTIFIC AMERICAN SUPPLEMENT, one year, postpaid, $7.00.
A liberal discount to booksellers, news agents, and canvassers.